WAUS43 KKCI 062045 WA3S CHIS WA 062045 AIRMET SIERRA UPDT 6 FOR IFR AND MTN OBSCN VALID UNTIL 070300 . NO SGFNT IFR EXP OUTSIDE OF CNVTV ACT. . OTLK VALID 0300-0900Z...MTN OBSCN KY TN BOUNDED BY HNN-40NNE HMV-30N GQO-50ESE BWG-HNN MTNS OBSC BY CLDS/PCPN. CONDS DVLPG AFT 03Z. CONDS CONTG THRU 09Z. ....